Evaluating Form Usability

Forms are one of the tougher problems in web usability and something I've been thinking about lately. Here's a short list of some of the better resources I've found; some of them are older but the findings still apply. I'd have to assume users have gotten a little better at using forms over the past couple of years, but it also depends on how web-savvy the target audience is.

• Evaluating the Usability of Search Forms Using Eyetracking: A Practical Approach
• Label Placement in Forms
• Label Placement in Forms (Implementation)
• Forms vs. Applications